Aerospace series. Space systems. Fluid characteristics, sampling and test methods - Helium1 Scope This part of ISO 15859 specifies limits for the composition of helium and establishes the sampling and test requirements applicable for the verification of the helium composition. This part of ISO 15859 is applicable to helium, used in both flight hardware and ground facilities, systems and equipment, of the following types and grades. Type I: gaseous Grade A: purging and pressurizing helium; Grade F: purging and pressurizing helium; Grade J:

US customary units have been included in brackets for information

4 Selection of the severity level

A definition of “laboratory” has been added

Identity document delivery and access management systems – such as border controls

ISO 17262 is designed to be flexible and enabling rather than prescriptive which helps to improve in Intelligent transport systems (ITS)

Automotive manufacturing facilities

Thermal insulating material manufacturers

Why should you use BS EN 50395- Electrical test methods for low voltage energy cables

By using BS EN IEC 60286‑3 you can prevent these components from external damages

industrial oils

Minimum requirements for test signal output of calculators are added

Guidance is provided on how to assess the risk of being struck and how to compile an index figure as an aid to deciding whether a particular structure is in need of protection